Message type: E = Error
Message class:  HRPBSHU - HR Public sector (H) developments 
Message number: 321
Message text: Operation interrupted
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The SAP error message HRPBSHU321, which states "Operation interrupted," typically occurs in the context of Human Resources (HR) processes, particularly when dealing with payroll or personnel administration. This error can arise due to various reasons, including system configuration issues, data inconsistencies, or problems with the underlying ABAP code. Causes: Data Inconsistencies: Missing or incorrect data in employee records, such as infotypes that are required for processing. Authorization Issues: The user may not have the necessary authorizations to perform the operation. System Configuration: Incorrect configuration in the payroll or personnel administration settings. Program Errors: Bugs or issues in the ABAP program that is being executed. Lock Entries: The operation may be interrupted due to lock entries in the database, preventing the process from completing. Solutions: Check Data Consistency: Review the employee records for any missing or incorrect information in relevant infotypes. Use transaction codes like PA20 or PA30 to check the employee's data. Review Authorizations: Ensure that the user has the necessary authorizations
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